package com.itheima.sh.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.Map;

@RestController
@RequestMapping("consumer")
public class ConsumerController {

    @Autowired
    private RestTemplate restTemplate;
    @Autowired
    DiscoveryClient discoveryClient;

    @GetMapping("{id}")
    public Map queryById(@PathVariable("id") String id){
//        List<ServiceInstance> instanceList = discoveryClient.getInstances(id);
//        ServiceInstance instance = instanceList.get(0);
//        String host = instance.getHost();
//        int port = instance.getPort();
//        String uri = instance.getUri().toString();
//
//        String url = "http://"+host+":"+port+"/user/" + id;
        String url = "http://user_service/user/" + id; //通过服务名称进行调用
        // 调用RestTemplate的getForObject方法，指定url地址和返回值类型
        Map user = restTemplate.getForObject(url, Map.class);
        return user;
    }
}
